diff --git a/Gemfile b/Gemfile
index 5414607..8fc7541 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,12 +29,12 @@
 
 source "https://rubygems.org"
 
-ruby '1.9.3', :engine => 'jruby', :engine_version => '1.7.17'
+ruby '1.9.3', :engine => 'jruby', :engine_version => '1.7.27'
 
 gem "awestruct", "0.5.5"
 
-gem "slim"
-gem "kramdown"
+gem "slim", "2.1.0"
+gem "kramdown", "1.4.1"
 gem "asciidoctor"
 gem "uglifier"
 gem "htmlcompressor"
@@ -42,7 +42,7 @@ gem "coffee-script"
 
 gem "rest-client"
 gem "hpricot"
-gem "git"
+gem "git", "1.2.8"
 
 gem "bouncy-castle-java", :platforms => :jruby
 gem "therubyrhino", :platforms => :jruby
@@ -50,5 +50,5 @@ gem "therubyracer", "0.10.1", :platforms => :ruby
 gem "jruby-openssl", :platforms => :jruby
 gem "rb-inotify", :platforms => [:ruby, :jruby]
 
-gem "puma"
+gem "puma", "2.10.2"
 gem "rspec", ">= 2.9"
diff --git a/README.asciidoc b/README.asciidoc
index a69fc3c..37dcd91 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -17,7 +17,7 @@ The website rely on running some Java code, e.g. JavaDoc, so we need to use JRub
 
 [source,console]
 ----
-rvm install jruby-1.7.9
+rvm install jruby-1.7.27
 ----
 
 NOTE: If the install aborts with messages regarding permission errors, try re executing with root permissions; "sudo rvm.."
@@ -53,7 +53,7 @@ javaee-samples
 Create file *.ruby-version* in your favorite editor and add this as content:
 [source,ruby]
 ----
-jruby-1.7.9
+jruby-1.7.27
 ----
 
 At this point you can allow RVM to pickup the new environment settings by leaving the folder and re-entering.
@@ -70,7 +70,7 @@ Run the next command to verify that the environment is picked up correctly:
 rvm info
 ----
 
-The first line should tell you something like *jruby-1.7.9@javaee-samples*.
+The first line should tell you something like *jruby-1.7.27@javaee-samples*.
 
 Then on to the Awestruct bits!
 
diff --git a/_ext/javadoc.rb b/_ext/javadoc.rb
index 837b8cd..635a715 100644
--- a/_ext/javadoc.rb
+++ b/_ext/javadoc.rb
@@ -27,7 +27,7 @@ def self.parse(source_path, quiet = true, &block)
 
       com.sun.tools.javadoc.DocEnv.instance(context).silent = quiet
       
-      root = tool.getRootDocImpl('en', 'ascii', filter, empty, empty, options_list, false, sub_packages, empty, false, false, quiet)
+      root = tool.getRootDocImpl('en', 'ascii', filter, empty, options_list, false, sub_packages, empty, false, false, quiet)
 
       block.call(root) if block
       return root